Finding the Third Proportional to 5,470,652 and 12,663,570

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,652 : 12,663,570 = 12,663,570 : x
2. Step 2: Convert to fraction form
   5,470,652/12,663,570 = 12,663,570/x
3. Step 3: Cross multiply
   5,470,652x = 12,663,570 × 12,663,570
4. Step 4: Simplify right side
   5,470,652x = 160,366,005,144,900
5. Step 5: Solve for x
   x = 160,366,005,144,900/5,470,652
6. Step 6: Final answer
   x = 29,313,874.31